1: Lock down your iPhone with a strong passcode

2: Enable Touch ID or Face ID for added security

3: Utilize the built-in Notes app to password protect sensitive information

4: Use a trusted third-party app for encrypting files and photos

5: Turn on Find My iPhone to track and remotely lock your device

6: Enable two-factor authentication for an extra layer of security

7: Avoid sharing private information on public Wi-Fi networks

8: Regularly update your iPhone's software to protect against vulnerabilities

9: Consider using a VPN for secure browsing and data protection